CN211039508U - A bumper shock absorber for narrow space - Google Patents
A bumper shock absorber for narrow space Download PDFInfo
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- CN211039508U CN211039508U CN201921102842.2U CN201921102842U CN211039508U CN 211039508 U CN211039508 U CN 211039508U CN 201921102842 U CN201921102842 U CN 201921102842U CN 211039508 U CN211039508 U CN 211039508U
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- mounting seat
- frame
- positioning hole
- spring
- damper
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Abstract
The utility model discloses a bumper shock absorber for narrow space, including last frame, underframe, elevating system to and set up the damper between last frame and underframe, elevating system is including erectting first support and the second support of alternately forming the formula structure of cutting, first support one end is connected with the underframe with rotatable mode and the other end is connected with the last frame with the slip mode, second support one end is connected with rotatable mode with last frame and the other end is connected with the slip mode with the underframe, through elevating system, damper's rational arrangement, when making the bumper shock absorber size littleer, has guaranteed its reasonable shock attenuation effect.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field, concretely relates to bumper shock absorber for narrow space.
Background
With the vigorous development of the automobile industry, the popularization degree of automobiles is higher and higher, the requirements of people on the comfort and the functionality of a seat in the traveling process are higher and higher, the seat with the shock absorber can be delivered at any time, particularly when the automobile runs on a bumpy road section, the bumping feeling of passengers can be greatly reduced by the seat with the shock absorber, and the comfort of the passengers is improved.
The shock absorber in the prior art can not meet the shock absorption requirement only by reducing the size of the shock absorber due to the structural limitation of the shock absorber.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a bumper shock absorber for narrow space through elevating system, damper's rational arrangement, when making the bumper shock absorber size littleer, has guaranteed its reasonable shock attenuation effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a shock absorber for a narrow space comprises an upper frame, a lower frame, a lifting mechanism and a shock absorption assembly arranged between the upper frame and the lower frame, wherein the lifting mechanism comprises a first support and a second support which are vertically crossed to form a scissor structure, one end of the first support is rotatably connected with the lower frame, the other end of the first support is connected with the upper frame in a sliding and rotating mode, one end of the second support is rotatably connected with the upper frame, and the other end of the second support is connected with the lower frame in a sliding and rotating mode.
Further, the shock absorption assembly comprises at least one spring and a damper with a piston rod and a cylinder body, one end of the spring is fixedly connected with the upper frame, the other end of the spring is fixedly connected with the lower frame, the cylinder body is rotatably connected with the lower frame, and the piston rod is connected with the upper frame in a sliding and rotating mode.
Further, the upper frame and the lower frame comprise cross beams which are symmetrically arranged and longitudinal beams which are used for connecting the cross beams and are arranged at two ends of the cross beams.
Further, the relative one side of the crossbeam of last frame is equipped with the slide rail, the relative one side of the crossbeam of underframe is equipped with down the slide rail, the bumper shock absorber still including can slide and pivoted upper sliding rod for upper slide rail and can slide and pivoted lower sliding rod for lower slide rail, upper sliding rod both ends are arranged in the upper slide rail, the lower sliding rod both ends are arranged in lower slide rail, first support is close to upper frame one end and upper sliding rod fixed connection, the second support is close to underframe one end and lower sliding rod fixed connection.
Furthermore, a damper mounting plate is fixedly arranged on the upper sliding rod, and the piston rod is fixedly connected with the damper mounting plate through a pin shaft.
Furthermore, the anti-abrasion sleeves are installed at two ends of the upper sliding rod and the lower sliding rod.
Further, the damping component comprises a first spring and a second spring, a first upper spring mounting seat is installed at a first position of the lower surface of the upper frame, a second upper spring mounting seat is installed at a second position of the lower surface of the upper frame, a first lower spring mounting seat is installed at a third position of the upper surface of the lower frame, a second lower spring mounting seat is installed at a fourth position of the upper surface of the lower frame, and the first position and the third position are arranged in such a way that: the two ends of the first spring are respectively fixedly connected with the first upper spring mounting seat and the first lower spring mounting seat, the axis of the first spring is perpendicular to the lower surface of the upper frame, and the second position and the fourth position are arranged in the way that: and two ends of the second spring are respectively fixedly connected with the second upper spring mounting seat and the second lower spring mounting seat, and the axis of the second spring is vertical to the lower surface of the upper frame.
Further, the upper frame is provided with a first positioning hole and a second positioning hole, the lower frame is provided with a third positioning hole and a fourth positioning hole, the first upper spring mounting seat is provided with a first mounting seat positioning hole, the second upper spring mounting seat is provided with a second mounting seat positioning hole, the first lower spring mounting seat is provided with a third mounting seat positioning hole, the second lower spring mounting seat is provided with a fourth mounting seat positioning hole, the first mounting seat positioning hole, the third positioning hole and the third mounting seat positioning hole are coaxially arranged and have the same aperture size, and the second positioning hole, the second mounting seat positioning hole, the fourth positioning hole and the fourth mounting seat positioning hole are coaxially arranged and have the same aperture size.
Furthermore, an anti-collision element is fixedly arranged on the upper surface of the lower frame, and the upper frame is stressed to be close to the lower frame and stops being close to the lower frame through the pushing action of the anti-collision element.
Furthermore, the lower surface of the upper frame is fixedly provided with an anti-collision element, the upper frame is stressed to be close to the lower frame, and the upper frame stops being close to the lower frame through the pushing action of the anti-collision element.
Compared with the prior art, the utility model has the advantages that:
1. through the reasonable arrangement of the lifting mechanism and the damping assembly, the reasonable damping effect is ensured while the size of the damper is smaller, and the damping device is suitable for vehicles with smaller space.
2. The anti-collision pieces are arranged on the lower surface of the upper frame and the upper surface of the lower frame, so that the upper frame is prevented from colliding with the lower frame when the upper frame is stressed greatly, the service life of the shock absorber is prolonged, and noise in the vehicle is reduced.
3. The first positioning hole, the first mounting seat positioning hole, the third positioning hole and the third mounting seat positioning hole are coaxially arranged and have the same aperture size, the second positioning hole, the second mounting seat positioning hole, the fourth positioning hole and the fourth mounting seat positioning hole are coaxially arranged and have the same aperture size, the upper frame is parallel to the lower frame, the positioning accuracy of the spring is guaranteed by the arrangement of the positioning holes, a positioning column can be used for penetrating through the coaxial positioning holes, accurate positioning is completed, abnormal sound or service life reduction of the shock absorber caused by positioning errors of the spring is prevented, and the quality of the shock absorber is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the spring of the present invention;
fig. 3 is a schematic structural diagram of the damper of the present invention.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 3, a shock absorber for a narrow space includes an upper frame 10, a lower frame 11, a lifting mechanism including a first bracket 41 and a second bracket 42 which are erected to cross to form a scissor structure, the first bracket having one end rotatably coupled to the lower frame and the other end slidably coupled to the upper frame, and the second bracket having one end rotatably coupled to the upper frame and the other end slidably coupled to the lower frame;
the shock absorption assembly comprises at least one spring and a damper with a piston rod 23 and a cylinder body 24, wherein one end of the spring is fixedly connected with the upper frame, the other end of the spring is fixedly connected with the lower frame, the cylinder body is rotatably connected with the lower frame, and the piston rod is connected with the upper frame in a sliding and rotating manner; through the rational arrangement of elevating system, spring and attenuator, the one end of first support, the second support, the attenuator is connected with the attenuator frame with the mode that can the slip, when last frame atress and spring were compressed, first support, the second support and attenuator occupy less vertical space through changing its gesture, make full use of the horizontal space of bumper shock absorber, when making the bumper shock absorber size littleer, guaranteed its reasonable shock attenuation effect, be applicable to in the less car in the space.
As shown in fig. 1, the upper frame 10 and the lower frame 11 include cross beams 13 symmetrically arranged and longitudinal beams 12 arranged at two ends of the cross beams for connecting the cross beams, the upper frame and the lower frame adopt a frame type structure, a plate type structure is avoided, the weight of the shock absorber is reduced, and the frame type structure can arrange a slide rail structure at the inner side of the cross beams, so that the structure is simple.
As shown in fig. 1 and 3, an upper slide rail 15 is disposed on the opposite side of the cross beam of the upper frame, a lower slide rail 16 is disposed on the opposite side of the cross beam of the lower frame, the shock absorber further comprises an upper slide rod 31 capable of sliding and rotating relative to the upper slide rail and a lower slide rod 32 capable of sliding and rotating relative to the lower slide rail, two ends of the upper slide rod are disposed in the upper slide rail, two ends of the lower slide rod are disposed in the lower slide rail, one end of the first bracket close to the upper frame is fixedly connected with the upper slide rod, one end of the second bracket close to the lower frame is fixedly connected with the lower slide rod, the opposite side of the cross beam of the upper frame is a side of one cross beam of the upper frame close to the other cross beam of the upper frame, the opposite side of the cross beam of the lower frame is a side of one, the upper sliding rail reciprocates in the extension direction of the upper sliding rail, and the upper sliding rail is of a cylindrical structure and can rotate relative to the upper sliding rail under the condition of external torque; two ends of the lower sliding rod are arranged in the lower sliding rail and reciprocate in the extension direction of the lower sliding rail, and the lower sliding rod is of a cylindrical structure and can rotate relative to the lower sliding rail under the condition of external torque.
As shown in fig. 2, a damper mounting plate 25 is fixedly arranged on the upper sliding rod, the piston rod is fixedly connected with the damper mounting plate through a pin shaft, when the upper frame is pressed to be close to the lower frame, the piston rod pushes the upper sliding rod under the action of damping force, and then thrust for pushing the upper frame to be far away from the lower frame is generated, the thrust is smaller than the pressure received by the upper frame, the upper frame continues to be close to the lower frame, but the closing speed is reduced, and the damper can effectively absorb external vibration by matching with a spring, so that the damping effect is achieved.
The anti-abrasion sleeve is installed at the two ends of the upper sliding rod and the lower sliding rod, friction between the upper sliding rod and the upper sliding rail and between the lower sliding rod and the lower sliding rail can be avoided through the anti-abrasion sleeve, the anti-abrasion sleeve is made of anti-abrasion materials and is easy to replace, maintenance is convenient, and the service life of the shock absorber is prolonged.
As shown in fig. 2, the shock-absorbing assembly includes a first spring 21, a second spring 22, a first upper spring mounting seat 17 mounted at a first position and a second upper spring mounting seat 18 mounted at a second position of the lower surface of the upper frame, a first lower spring mounting seat 19 mounted at a third position and a second lower spring mounting seat 20 mounted at a fourth position of the upper surface of the lower frame, the first position and the third position being set in such a manner that: the two ends of the first spring are respectively fixedly connected with the first upper spring mounting seat and the first lower spring mounting seat, the axis of the first spring is perpendicular to the lower surface of the upper frame, and the second position and the fourth position are arranged in the way that: two ends of a second spring are respectively and fixedly connected with a second upper spring mounting seat and a second lower spring mounting seat, and the axis of the second spring is vertical to the lower surface of the upper frame; the upper frame is provided with a first positioning hole and a second positioning hole, the lower frame is provided with a third positioning hole and a fourth positioning hole, the first upper spring mounting seat is provided with a first mounting seat positioning hole, the second upper spring mounting seat is provided with a second mounting seat positioning hole, the first lower spring mounting seat is provided with a third mounting seat positioning hole, the second lower spring mounting seat is provided with a fourth mounting seat positioning hole, the first mounting seat positioning hole, the third positioning hole and the third mounting seat positioning hole are coaxially arranged and have the same aperture size, the second positioning hole, the second mounting seat positioning hole, the fourth positioning hole and the fourth mounting seat positioning hole are coaxially arranged and have the same aperture size, the first positioning hole, the first mounting seat positioning hole, the third positioning hole and the third mounting seat positioning hole are coaxially arranged and have the same aperture size, and the second positioning hole, the second mounting seat positioning hole, the third positioning hole and the fourth mounting seat positioning hole are coaxially arranged, The fourth positioning hole and the fourth mounting seat positioning hole are coaxially arranged and have the same aperture size, the upper frame is parallel to the lower frame, the positioning accuracy of the spring is guaranteed due to the arrangement of the positioning holes, the positioning columns can penetrate through the coaxial positioning holes, accurate positioning is completed, abnormal sound of the shock absorber or service life reduction caused by positioning errors of the spring is prevented, and the quality of the shock absorber is improved.
As shown in fig. 1, an anti-collision member 14 is fixedly arranged on the upper surface of the lower frame, and the upper frame is forced to be close to the lower frame and stops being close to the lower frame through the pushing action of the anti-collision member; the anti-collision piece 14 is fixedly arranged on the lower surface of the upper frame, the upper frame is stressed to be close to the lower frame and stops being close to the lower frame under the pushing action of the anti-collision piece, the upper frame is prevented from colliding with the lower frame when being stressed by a large force, the service life of the shock absorber is prolonged, and noise in the vehicle is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A shock absorber for a narrow space comprises an upper frame (10), a lower frame (11), a lifting mechanism and a shock absorption assembly arranged between the upper frame and the lower frame, and is characterized in that the lifting mechanism comprises a first support (41) and a second support (42) which are vertically crossed to form a scissor structure, one end of the first support is rotatably connected with the lower frame, the other end of the first support is connected with the upper frame in a sliding manner, one end of the second support is rotatably connected with the upper frame, and the other end of the second support is connected with the lower frame in a sliding manner.
2. The damper for narrow spaces according to claim 1, wherein: the shock absorption assembly comprises at least one spring and a damper with a piston rod (23) and a cylinder body (24), one end of the spring is fixedly connected with the upper frame, the other end of the spring is fixedly connected with the lower frame, the cylinder body is rotatably connected with the lower frame, and the piston rod is connected with the upper frame in a sliding and rotating mode.
3. The damper for narrow spaces according to claim 2, wherein: the upper frame (10) and the lower frame (11) comprise cross beams (13) which are symmetrically arranged and longitudinal beams (12) which are used for connecting the cross beams and are arranged at two ends of the cross beams.
4. The damper for narrow spaces according to claim 3, wherein: the utility model discloses a shock absorber, including last frame, first support, second support, last frame, last slide rail (15), lower frame, the relative one side of the crossbeam of last frame is equipped with down slide rail (16), the shock absorber still including can slide and pivoted upper sliding rod (31) and can slide and pivoted lower sliding rod (32) for lower slide rail for last slide rail, upper sliding rod both ends are arranged in last slide rail, the sliding rod both ends are arranged in lower slide rail down, first support is close to last frame one end and upper sliding rod fixed connection, the second support is close to lower frame one end and lower sliding rod fixed connection.
5. The damper for narrow spaces according to claim 4, wherein: and a damper mounting plate (25) is fixedly arranged on the upper sliding rod, and the piston rod is fixedly connected with the damper mounting plate through a pin shaft.
6. The damper for narrow spaces according to claim 4, wherein: and the two ends of the upper sliding rod and the lower sliding rod are provided with anti-abrasion sleeves.
7. The damper for narrow spaces according to claim 2, wherein: the damping component comprises a first spring (21) and a second spring (22), a first upper spring mounting seat (17) is installed at a first position of the lower surface of the upper frame, a second upper spring mounting seat (18) is installed at a second position, a first lower spring mounting seat (19) is installed at a third position of the upper surface of the lower frame, a second lower spring mounting seat (20) is installed at a fourth position, and the first position and the third position are arranged in the mode that: the two ends of the first spring are respectively fixedly connected with the first upper spring mounting seat and the first lower spring mounting seat, the axis of the first spring is perpendicular to the lower surface of the upper frame, and the second position and the fourth position are arranged in the way that: and two ends of the second spring are respectively fixedly connected with the second upper spring mounting seat and the second lower spring mounting seat, and the axis of the second spring is vertical to the lower surface of the upper frame.
8. The damper for narrow spaces according to claim 7, wherein: the upper frame is provided with a first positioning hole and a second positioning hole, the lower frame is provided with a third positioning hole and a fourth positioning hole, the first upper spring mounting seat is provided with a first mounting seat positioning hole, the second upper spring mounting seat is provided with a second mounting seat positioning hole, the first lower spring mounting seat is provided with a third mounting seat positioning hole, the second lower spring mounting seat is provided with a fourth mounting seat positioning hole, the first mounting seat positioning hole, the third positioning hole and the third mounting seat positioning hole are coaxially arranged and have the same aperture size, and the second positioning hole, the second mounting seat positioning hole, the fourth positioning hole and the fourth mounting seat positioning hole are coaxially arranged and have the same aperture size.
9. The damper for narrow spaces according to claim 1, wherein: and an anti-collision piece (14) is fixedly arranged on the upper surface of the lower frame, and the upper frame is stressed to be close to the lower frame and stops being close to the lower frame under the pushing action of the anti-collision piece.
10. The damper for narrow spaces according to claim 1, wherein: and the lower surface of the upper frame is fixedly provided with an anti-collision piece (14), and the upper frame is stressed to be close to the lower frame and stops being close to the lower frame under the pushing action of the anti-collision piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102842.2U CN211039508U (en) | 2019-07-15 | 2019-07-15 | A bumper shock absorber for narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102842.2U CN211039508U (en) | 2019-07-15 | 2019-07-15 | A bumper shock absorber for narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039508U true CN211039508U (en) | 2020-07-17 |
Family
ID=71559228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921102842.2U Active CN211039508U (en) | 2019-07-15 | 2019-07-15 | A bumper shock absorber for narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039508U (en) |
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2019
- 2019-07-15 CN CN201921102842.2U patent/CN211039508U/en active Active
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